Term
| On which axis does the earth rotate? |
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Definition
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Definition
| Ellipse with the sun at one focus |
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Term
| When is the sun closest to the earth? |
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Definition
| around January 3rd (Perihelion) |
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Term
| When is the sun farthest from the earth? |
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Definition
| around july 3rd (aphelion) |
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Term
| At what degree is Earth's axis inclined? |
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Definition
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Term
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Definition
| 1 of 2 points in earth's orbit where the axis leans at the maximum angle of 23.5 toward the sun. |
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Definition
| 1 of 2 points in earth's orbit where the axis is perpendicular to the suns rays and neither pole has any inclination toward the sun |
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Definition
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Term
| What is solar energy called? |
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Definition
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Term
| How is electromagnetic energy transferred to the earth(without a medium)? |
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Definition
| radiation of energy waves |
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Term
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Definition
| distance from crest to crest, or trough to trough, etc.. |
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Definition
| the wave height from trough to crest |
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Term
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Definition
| the number of waves passing a given point over a set time period |
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Term
| what is the electromagnetic spectrum? |
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Definition
| the range of energy transferred as electromagnetic waves |
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Term
| How fast does energy travel, and how long does it take to get from the sun to the earth? |
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Definition
186,000 mi/sec
9 1/3 minutes |
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Term
| How much of the sun's total energy output is intercepted by earth? |
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Definition
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Term
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Definition
first layer
8-9 in thick
80% of the total mass of atmospheric gasses
friction layer= first 5000-7000ft |
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Term
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Definition
| temperature decline levels off (isothermal) |
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Term
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Definition
fairly stable temperatures, but begins to increase at about 19 miles
ozone occurs above 20 mi
uv light from sun strikes ozone molecules and heats them |
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Term
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Definition
| temperature increase levels off (isothermal) |
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Definition
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Definition
| temp decrease levels off (isothermal) |
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Definition
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Definition
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Term
| What happens to air when it is compressed? |
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Definition
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Term
| What are 3 things that happen to solar radiation? |
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Definition
| Scattered, absorbed, reflected |
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Term
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Definition
| particles and gas and vapor molecules momentarily capture energy, then disperse it in all directions |
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Term
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Definition
| ozone absorbs high wavelength (UV) energy; CO2 and water vapor absorb longwave (IR) energy. |
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Term
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Definition
| the measure of the radiation which "makes it" to earth's surface. This unimpeded energy is said to pass through atmospheric or radiation windows. The solar energy intercepted by a surface is called insolation |
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Term
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Definition
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Definition
| the way the actual amounts of energy entering the system are accounted for |
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Term
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Definition
| allows build up of atmospheric temp and still maintains the energy balance |
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Term
| What are the forms of heat transfer in earth's system? |
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Definition
| radiation, turbulent transfer, latent heat transfer |
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Term
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Definition
| conduction and/or convection |
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Term
| What are the forms of heat transfer in earth's system? |
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Definition
| radiation, turbulent transfer, latent heat transfer |
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Term
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Definition
energy is required to change water to water vapor
water vapor represents stored energy
condensation reps energy
energy is redistributed on planet |
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